Auto merge of #25201 - xu3u4:25183-add-onformdata-to-global-event-handler, r=jdm

Add onformdata to GlobalEventHandlers

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1. Adding `onformdata` to GlobalEventHandlers interface and global_event_handlers macro.
2. Deleting related FAIL tests.

---
<!-- Thank you for contributing to Servo! Please replace each `[ ]` by `[X]` when the step is complete, and replace `___` with appropriate data: -->
- [x] `./mach build -d` does not report any errors
- [x] `./mach test-tidy` does not report any errors
- [x] These changes fix #25183 (GitHub issue number if applicable)

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- [x] There are tests for these changes OR
- [ ] These changes do not require tests because ___

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components/script/dom/macros.rs

@@ -446,6 +446,7 @@ macro_rules! global_event_handlers(
         event_handler!(emptied, GetOnemptied, SetOnemptied);
         event_handler!(ended, GetOnended, SetOnended);
         error_event_handler!(error, GetOnerror, SetOnerror);
+        event_handler!(formdata, GetOnformdata, SetOnformdata);
         event_handler!(input, GetOninput, SetOninput);
         event_handler!(invalid, GetOninvalid, SetOninvalid);
         event_handler!(keydown, GetOnkeydown, SetOnkeydown);

components/script/dom/webidls/EventHandler.webidl

@@ -51,6 +51,7 @@ interface mixin GlobalEventHandlers {
            attribute EventHandler onended;
            attribute OnErrorEventHandler onerror;
            attribute EventHandler onfocus;
+           attribute EventHandler onformdata;
            attribute EventHandler oninput;
            attribute EventHandler oninvalid;
            attribute EventHandler onkeydown;